Home / 5,225.61-7,211.17-2,867.69

Finding the Fourth Proportional to 5,225.61, 7,211.17 and 2,867.69

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Solution

The fourth proportional to 5,225.61, 7,211.17 and 2,867.69 is: 3,957.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.61 : 7,211.17 = 2,867.69 : x
  2. Step 2: Convert to fraction form
    5,225.61/7,211.17 = 2,867.69/x
  3. Step 3: Cross multiply
    5,225.61x = 7,211.17 × 2,867.69
  4. Step 4: Simplify right side
    5,225.61x = 20,679,371.21
  5. Step 5: Solve for x
    x = 20,679,371.21/5,225.61
  6. Step 6: Final answer
    x = 3,957.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.